The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart.
People fear what they don't understand and hate what they can't conquer.
The most damaging phrase in the language is: 'It's always been done this way.'
There'll always be serendipity involved in discovery.
La poesía es la única prueba concreta de la existencia del hombre.
The habit of reading is the only enjoyment in which there is no alloy; it lasts when all other pleasures fade.